EP1907268A1 - Systeme de transport et procede pour transporter simultanement des pieces et des monteurs dans une chaine de production - Google Patents

Systeme de transport et procede pour transporter simultanement des pieces et des monteurs dans une chaine de production

Info

Publication number
EP1907268A1
EP1907268A1 EP06753755A EP06753755A EP1907268A1 EP 1907268 A1 EP1907268 A1 EP 1907268A1 EP 06753755 A EP06753755 A EP 06753755A EP 06753755 A EP06753755 A EP 06753755A EP 1907268 A1 EP1907268 A1 EP 1907268A1
Authority
EP
European Patent Office
Prior art keywords
vehicles
drives
vehicle
adjacent
conveyor system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06753755A
Other languages
German (de)
English (en)
Inventor
Jürgen Röckle
Werner Swoboda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eisenmann Anlagenbau GmbH and Co KG
Original Assignee
Eisenmann Anlagenbau GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eisenmann Anlagenbau GmbH and Co KG filed Critical Eisenmann Anlagenbau GmbH and Co KG
Publication of EP1907268A1 publication Critical patent/EP1907268A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/18—Transportation, conveyor or haulage systems specially adapted for motor vehicle or trailer assembly lines

Definitions

  • the invention relates to a conveyor system and a method for the simultaneous transport of workpieces and fitters in a production line with at least one rectilinear manufacturing section, wherein the conveyor system comprises a plurality of track-bound vehicles, the
  • Such conveyor systems are known from DE 40 20 286 C2 and are used for example in the final assembly of motor vehicles.
  • the conveyor systems described there allow fitters to be carried along with the workpieces over a longer period of time. In this way, the fitters can make assembly or other work on the workpieces without having to run alongside the workpieces.
  • the vehicles along a straight-line production section of the production line form a push bandage. The last vehicle in each case pushes the vehicles in front through the rectilinear production section, where it is driven by stationary external drive means.
  • These drive means may, for example, be friction wheels which act from the outside on the longitudinal sides of the mounting platforms and in this way apply the thrust force required for the forward movement.
  • the pusher assembly is broken up again by vertically or horizontally transferring the individual vehicles in a transfer station or by driving on a curve to another rectilinear production section.
  • the vehicles In the conveyor system known from DE 40 20 286 C2, the vehicles have their own drives, so that the vehicles can move independently between the straight-line production sections. As soon as a vehicle is taken into the pusher unit, its own drive is switched off.
  • the assembly platforms not only have to carry the fitters and the workpiece, but also absorb and divert high longitudinal and often also transverse forces.
  • those thrust forces that act on the individual vehicles by driving in the push association.
  • These longitudinal forces are greatest at the respectively driven and rearmost in the direction of travel Vehicle, as this affects the resistance to movement of the entire push bandage.
  • Transverse forces can be caused mainly by the external drive means, such as friction wheels.
  • the object of the invention is to provide a conveyor system of the type mentioned, in which the forces exerted on a mounting platform are reduced.
  • the drives of the vehicles are controllable such that the torques generated by the drives of the vehicles are the greater the further back a vehicle is in the association. This will ensure that the entire bandage Always driven evenly and the mounting platforms of adjacent vehicles always adjoin each other practically gap-free. At the same torques, there is the danger that adjacent vehicles will separate as a result of different friction resistances.
  • the drives of the vehicles are controllable in such a way that no thrust forces above a threshold value act between adjacent vehicles in their direction of travel.
  • the threshold value depends on the requirements of the production line or the conveyor system, which are influenced in particular by the workpiece to be assembled and / or machined.
  • the vehicles can be connected to one another in the association by means of clutches during driving. This is the bandage and therefore a safe
  • Moving a mechanic between two adjacent vehicles is also ensured if the control of a single vehicle or its drive should fail or the controller due to their interpretation, a separation of vehicles in the association can not prevent in principle.
  • a device for. B. a pressure sensor, is provided for determining the thrust forces generated by the drives of the vehicles.
  • the drives of the moving vehicles in the association are then controlled so that the determined thrust forces are within a predetermined interval.
  • the mounting platforms of adjacent vehicles when driving in the association less than 5 cm, preferably less than 1 cm, are spaced apart , The distance is then to be bridged by a rubber bead o. ⁇ .
  • the workpiece to be assembled and / or machined is to be arranged so as to be easily accessible to a fitter on a mounting platform, it is favorable if a functional unit is arranged on the vehicles.
  • This can be a technically simple manner to a lifting table, with which a workpiece arranged thereon can be moved to different heights.
  • Figure 1 is a highly simplified plan view of an embodiment of a conveyor system
  • Figure 2 is an enlarged plan view of a single vehicle of the conveyor system shown in Figure 1;
  • Figure 3 is an enlarged side view of a vehicle of the conveyor system shown in Figure 1 without workpiece thereon;
  • Figure 4 is an enlarged rear view of a vehicle of the conveyor system shown in Figure 1 without workpiece thereon;
  • Figure 5 is a further enlarged simplified side view of a coupling for connecting the vehicles during the latching operation.
  • Figure 6 the coupling shown in Figure 5 in the locked state.
  • FIG. 1 shows, in a simplified simplified plan view, an exemplary embodiment of a conveyor system 10 that is used for the simultaneous transport of workpieces and fitters in a production line partially shown in FIG 12 is provided.
  • the conveyor system 10 includes a track formed by rails 14, 16.
  • two manufacturing sections 18, 20 are provided, along which the rails 14, 16 extend in a straight line.
  • the rails 14, 16 are laid as level as possible in an assembly hall, wherein the production line 12 may include a total of more such rectilinear manufacturing sections 18, 20.
  • the rails 14, 16 are arcuately curved in sections 17, whereby a closed track is formed.
  • the vehicles 22 each have an assembly platform 24 and carry centrally each a lifting table 26 on which a workpiece to be mounted 28 is mounted movable in height.
  • the workpiece 28 is intended to be a vehicle bodywork prepared for final assembly, which is only indicated in a highly schematic manner in FIGS. 1 and 2.
  • the vehicles 22 form a bandage 30 in which the mounting platforms 24 adjoin one another virtually without any gaps. In this way, for the fitters a continuously accessible area, on which they can move during assembly of the workpieces 28.
  • the lifting table 26 can be seen better. This is adjustable by means of a shear drive 34 in height, as is known per se in the prior art. To prevent, that the fitters can get into the shearer 34, the lifting table 26 is completed round with bellows 36 to the mounting platform 24, in Figure 4, the bellows 36 are omitted transversely to the rails 14, 16 so that the shearer 34 is visible.
  • the vehicle 22 runs on the rails 14, 16 by means of running wheels 38.
  • a pair of wheels 40 can be driven by means of a drive, for example an electric motor.
  • the electric way of an electric motor 42 is connected via a line 44 to a vehicle control 46, which controls the electric motor 42.
  • the vehicle controller 44 may be a processor unit known per se, for example.
  • the vehicle controller 46 includes a receiving unit 48 and a transmitting unit 50, by means of which it communicates wirelessly with a central controller 52, which can be seen in Figure 1, which will be explained in more detail below.
  • a central controller 52 which can be seen in Figure 1, which will be explained in more detail below.
  • the communication between the vehicle controller 46 and the central controller 52 via busbars by means of Schleifkon .... or even done without contact.
  • a position sensor 54 with a reading head 56, which reads out a position code 58, for example, attached to the inside of a rail 14, 16.
  • the position sensor 54 transmits the thus determined position data of the vehicle 22 via a line 60 to the vehicle controller 46, which in turn transmits this data to the central controller 52 in conjunction with a signal 22 that can be assigned to the specific vehicle 22.
  • Figures 5 and 6 show a coupling 62 with which the mounting platforms 24 of adjacent vehicles 22 can be coupled.
  • the coupling 62 includes a hook 64 attached to a mounting platform 24 and a fastener 24 attached to the adjacent mounting platform
  • Pivot pawl 66 Both hook 64 and pawl 66 are substantially L-shaped and have ramped ramp surfaces 68. Pivot pawl 66 is pivotally mounted at its long end, the pivot axis being transverse to the direction of travel of vehicles 22 shown in FIGS 5 and 6 as in Figure 1, indicated by arrows 70.
  • a pressure sensor 72 is mounted to determine the direction of travel 70 thrust forces generated by the electric motors 42 of the vehicles 22, the output signal via a line 74 to the vehicle control 46th of the respective vehicle 22 and from this in combination with a vehicle 22 assignable signal to the central controller 52 is transmitted.
  • a rubber bead 76 is provided above the pressure sensor.
  • transitions 78, 80, 82, 84 ( Figure 1) between an arcuately curved portion 17 of the rails 14, 16 and a rectilinear manufacturing section 18, 20 each have a position code 58 is provided.
  • the position codes at the transitions 78, 80 correspond to the direction of travel 70 of the vehicles 22 for the transition between an arcuately curved portion 17 and a rectilinear manufacturing section 18, 20.
  • the two remaining position codes 58 are at the transitions 82, 84 respectively for the transition between a rectilinear manufacturing section 18, 20 and an arcuate curved portion 17th ,
  • the central controller 52 recognizes from the transmitted position signal that the relevant vehicle 22A is now leaving the rectilinear production section 18 and into an arcuately curved section 17 of the rails 14 16 retracts.
  • the central controller 52 transmits to the vehicle controller 46 of the vehicle 22A a control signal which causes the torque of the electric motor 42 to be increased.
  • the vehicle controller 46 of the vehicle 22A accordingly controls the drive 42 accordingly, so that the speed of the vehicle 22A increases in relation to its speed in the dressing 30.
  • the vehicle 22A now travels at an increased speed through the arcuately curved section 17 of the rails 14, 16 until it reaches the point 78, that is, corresponds to the vehicle 22B in FIG.
  • the speed increased relative to the speed of the vehicle 22A in the dressing 30 is, in terms of throughput, the
  • Production line 12 desirable so that the vehicles 22 get as fast as possible from one production section 18, 20 to the next.
  • the central controller 52 recognizes Based on the transmitted position signal at the transition 78 that the vehicle in question 22B now leaves the arcuate section 17 of the rails 14, 16 and enters the rectilinear manufacturing section 20.
  • the central controller 52 now transmits to the vehicle controller 46 of the vehicle 22B a control signal which causes the torque of the electric motor 42 to be reduced.
  • the torque of the electric motor 42 of the vehicle 22B is higher than that of the electric motor 42 of the vehicle 22C, which is already in the association 30.
  • the pressure sensor 72 of the vehicle 22B Until the vehicle 22B now reaches the vehicle 22C and the mounting plate 24 of the vehicle 22A runs onto the mounting plate 24 of the vehicle 22C, the pressure sensor 72 of the vehicle 22B generates a zero signal since it can not detect a back pressure.
  • the pressure sensor 72 of the vehicle 22B comes into contact with its facing end face of the mounting plate 24 of the vehicle 22C, as shown in FIG. 6, then the pressure sensor 72 transmits a signal via the vehicle control 46 of the vehicle 22B to the central controller 52, which reproduces how large the thrust forces exerted by vehicle 22B on vehicle 22C are.
  • the central controller 52 controls the individual vehicles 22 in the association 30 such that the torques or thrust forces generated by the electric motors 42 of the vehicles 22 are within a predetermined interval. This ensures that a vehicle 22, such as vehicle 22B, always applies light thrust forces to a preceding vehicle 22, such as 22C, thereby preventing the gap between the mounting platforms from opening.
  • a detection of the thrust forces can also be performed by means of distance sensors. Since the rubber beads 76 yield resiliently, the larger the thrust forces, the smaller the distance between adjacent mounting platforms 24.
  • the drives 42 of the vehicles 22 via a combined speed-torque control.
  • the target speed is set slightly higher than the actually achieved speed. Torque limiting ensures that the thrust forces between the mounting platforms 24 do not become unnecessarily large.
  • the current through the electric motors 42 can be used as a measure of the torque generated by the electric motors 42.
  • the clutches 62 are provided on the vehicles.
  • coupling 62 is prevented in any case that two adjacent vehicles 22 can move away from each other, as long as they drive within the rectilinear manufacturing section 18, 20 in the association 30.
  • a means for releasing the clutch 62 is provided in each case provided clutch. This may, for example, be a plunger pushing against the pivoting pawl 66 of the coupling 62 from below.
  • the clutches 62 alone can ensure the dressing 30.
  • the vehicles 22 would not have to be controlled in such a way that those generated by the electric motors 42 of the vehicles 22 Shear forces are within a predetermined interval.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Automatic Assembly (AREA)

Abstract

L'invention concerne un système de transport (10) pour transporter simultanément des pièces (28) et des monteurs dans une chaîne de production (12) comportant au moins un tronçon de production linéaire (18, 20). Ce dispositif comprend plusieurs véhicules (22) guidés, comportant chacun une plateforme de montage (24) qui s'étend sur toute la longueur du véhicule et sur laquelle peuvent se déplacer les monteurs, lesdits véhicules pouvant former un convoi (30) lors de leur déplacement le long de la chaîne de production (12). Les plateformes de montage (24) de véhicules adjacents (22) sont contiguës pratiquement sans interstice. Les véhicules (22) présentent chacun leur propre organe d'entraînement (42). Ces derniers (42) peuvent être commandés de façon à entraîner les véhicules (22) sous forme de convoi (30) pendant leur déplacement le long du tronçon de production linéaire (18, 20). L'invention concerne également un procédé pour transporter simultanément des pièces (28) et des monteurs le long d'une chaîne de production (12) comportant au moins un tronçon de production linéaire (18, 22). Selon ce procédé, les véhicules (22) sont entraînés sous la forme d'un convoi, au moyen d'organes d'entraînement (42) montés sur les véhicules (22), pendant leur déplacement le long du tronçon de production linéaire (18, 20).
EP06753755A 2005-07-25 2006-05-20 Systeme de transport et procede pour transporter simultanement des pieces et des monteurs dans une chaine de production Withdrawn EP1907268A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005034582A DE102005034582B4 (de) 2005-07-25 2005-07-25 Fördersystem und Verfahren zum gleichzeitigen Transport von Werkstücken und Monteuren in einer Fertigungslinie
PCT/EP2006/004793 WO2007012360A1 (fr) 2005-07-25 2006-05-20 Systeme de transport et procede pour transporter simultanement des pieces et des monteurs dans une chaine de production

Publications (1)

Publication Number Publication Date
EP1907268A1 true EP1907268A1 (fr) 2008-04-09

Family

ID=37650172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06753755A Withdrawn EP1907268A1 (fr) 2005-07-25 2006-05-20 Systeme de transport et procede pour transporter simultanement des pieces et des monteurs dans une chaine de production

Country Status (5)

Country Link
US (1) US20080276827A1 (fr)
EP (1) EP1907268A1 (fr)
CN (1) CN101228064A (fr)
DE (1) DE102005034582B4 (fr)
WO (1) WO2007012360A1 (fr)

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DE102007063069B4 (de) * 2007-12-21 2016-11-24 Flexlift-Hubgeräte GmbH Montageplattform für Kraftfahrzeuge oder Industrieprodukte entsprechender Grösse
DE102009010454A1 (de) * 2009-02-14 2010-08-19 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Schubplatteneinheit
CN102544967B (zh) * 2011-12-28 2016-03-02 江苏日盈电子股份有限公司 摩托车线束包绕生产用工作台
DE102012004059B4 (de) 2012-03-02 2023-05-04 Sew-Eurodrive Gmbh & Co Kg Anlage zur Herstellung eines Produktes und Verfahren
US10017219B2 (en) * 2014-01-21 2018-07-10 Honda Motor Co., Ltd. Platform truck apparatus, workpiece transfer method, and workpiece conveyor equipment
DE102014209378A1 (de) * 2014-05-16 2015-11-19 Siemens Aktiengesellschaft Transportvorrichtung zum Transport von Gütern
CN104843442B (zh) * 2015-04-27 2017-01-25 无锡江普创新科技有限公司 智能分配式输送线
EP3345813B1 (fr) * 2017-01-09 2019-08-07 MAGNA STEYR Fahrzeugtechnik AG & Co KG Dispositif d'assemblage de véhicule
DE102017103931A1 (de) * 2017-02-24 2018-08-30 Eisenmann Se Fördersystem und Verfahren zum gleichzeitigen Transport von Werkstücken und Werkern
DE102017106731A1 (de) 2017-03-29 2018-10-04 Eisenmann Se Verfahren und Fahrzeug zum Fördern eines elektrisch angetriebenen Kraftfahrzeugs während dessen Montage
DE102017108023A1 (de) 2017-04-13 2018-10-18 Eisenmann Se Verfahren und Fördersystem zum gleichzeitigen Transport von langgestreckten Werkstücken und Werkern in einer Fertigungslinie
CN108326824B (zh) * 2017-12-27 2024-01-02 北京动仿航泰科技有限公司 矩阵式轨道***、关联回路式生产线及其生产方法
DE102018109449A1 (de) * 2018-04-19 2019-10-24 Eisenmann Se Fahrerloses Bodenfahrzeug zur Förderung von Lasten wie Fahrzeugkarosserien oder/und Fahrzeugteilen sowie Verfahren zum Transportieren einer solchen Last
DE102018109584A1 (de) * 2018-04-20 2019-10-24 Eisenmann Se Förderanlage mit einem Förderwagen
WO2019201798A1 (fr) * 2018-04-20 2019-10-24 Eisenmann Se Système de transport et procédé de commande d'un tel système
DE102018130221A1 (de) 2018-11-29 2020-06-04 Bayerische Motoren Werke Aktiengesellschaft Transportsystem für eine Fertigungsstraße sowie Verfahren zum Betreiben eines Transportsystems
CN109304418B (zh) * 2018-12-07 2020-01-03 浙江大学台州研究院 离合器从动盘自动铆接流水线
DE102019132553A1 (de) * 2019-11-29 2021-06-02 Eisenmann Se Fahrzeug zum gleichzeitigen Transport von Werkstücken und Werkern in einer Fertigungsstätte
DE102020205544A1 (de) 2020-04-30 2021-11-04 Volkswagen Aktiengesellschaft Navigieren eines Roboters
CN111558546B (zh) * 2020-05-12 2022-03-29 柳州市自动化科学研究所 一种工业机器人智能分拣装置及其使用方法
CN113753157A (zh) * 2020-06-07 2021-12-07 成都辽远机械制造有限公司 空满交换自动旋转工装
CN112158227B (zh) * 2020-09-10 2023-05-16 中车长春轨道客车股份有限公司 通用型假台车
CN113697008A (zh) * 2021-07-28 2021-11-26 广东嘉腾机器人自动化有限公司 工业作业车辆生产方法

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Also Published As

Publication number Publication date
CN101228064A (zh) 2008-07-23
WO2007012360A1 (fr) 2007-02-01
DE102005034582B4 (de) 2007-11-08
DE102005034582A1 (de) 2007-02-01
US20080276827A1 (en) 2008-11-13

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